Münchener Fasching is a very exceptional rose that deserves to be rescued from the brink of extinction.
In a 1975 study reporting on 628 cultivars Münchener Fasching was the only rose to have very high levels of five anthocyanin pigments: cyanin, pelargonin, peonin, chrysanthemin and callistephin. Only one other rose, South Seas, had very high levels of even the first three of these pigments. Most roses had only one or two, and usually not in very high amounts.
If anyone can provide budwood of this rose I would like to try to propagate it and get it into the hands of other hybridizers.
Masato Yokoi, "Relation of Quantitative Flower Colour Measurement to the Flower Colour in Rose Cultivars" The Technical Bulletin of Faculty of Horticulture, Chiba University Vol.26(19790228) pp. 1-8 ISSN:00693227
The plant of Municher Fasching at the SJHRG was in tough shape last year when I was in touch with them. There was going to possibly be some effort to propagate it but I haven't heard whether this was done or how it turned out.
Munchener Fasching at the Heritage had its roots eaten by a gopher this spring. I tried to save all the small remaining canes, and sent some to others who might be more successful at rooting or budding than I am, but we all failed. You will have to try to import it.